用途Use
ZJHP、ZJHM精小型气动薄膜单座、套筒调节阀采用顶部导向结构，配用多弹簧执行机构。具有结构紧凑、重量轻、动作灵敏、流体通道S流线型、压降损失小、阀容量大、流量特性精确、拆装方便等优点。广泛应用于精确控制气体、液体等介质的工艺参数对压力、流量、温度、
液位保持在给定值。特别适用于允许泄漏小且阀前后压差不大的场合。本系列产品有标准型、调节切断型、波纹管密封型、夹套保温型等多种品种。产品公称压力等级有PN16、40、64;公称通径范围DN20~300。适用流体温度由于20℃至560℃范围内多种档次。泄漏量标准有IV级或V级，流量特性为线性或等百分比。多种多样的品种规格可供选
择。ZJHP、ZJHM small-scale pneumatic diaphragm single seat, sleeve regulating valve adoptstop guiding structure installed with muti-spring actuating mechanism, with such advantages ascompact structure, light weight, motional sensibility, S-streamlined fluid flow channel. smallpressure drop loss, high valve capacity, precise flow characteristic and convenient disassemblyassembly, lt is widely applied to precisely controlling technological parameters of media like gasliguid etc., and maintaining set values for pressure, fow rate, temperature and liguid level. And itis especially applicable to occasions with low allowable leakage and little differential pressure
before/behind valve.This series products include many varieties such as standard types, regulating cut offtypes, corrugated pipe sealing types and jacketed thermal insulation types. Product nominalpressure rating includes PN16、40、64:nside nominal diameter range is DN20 ~ 300.Applicable fluid temperature ranges from 20'℃ to 560℃.Leakage rate standard is lV or Vlclass. Flow characteristic belongs to linear or equal percentage. A wide range of products areavailable for choice.
主要零件材料Materialof main parts
阀体、阀盖:HT200、ZG230-450、ZG1Cr18Ni9Ti
阀芯、阀座:1Cr18Ni9Ti、司钛莱合金堆焊
软密封阀芯 : 增强聚四氟乙烯
填料: 聚四氟乙烯、柔性石墨、不锈钢波纹管
垫片: 橡胶石棉板、1Cr18Ni9T、石墨缠绕垫片
膜盖: A3
波 纹 膜片:丁腈橡胶夹增强涤纶织物
弹簧:60Si2Mn弹
阀杆、推杆:2Cr13、1Cr18Ni9Ti
衬套: 2Cr13
主要技术参数Technicalspecification
